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This is the answer book for all 3 Cosmic Calculator Course textbooks.
Kenneth Williams has been studying, researching and teaching Vedic Mathematics for over 40 years. He has published many articles, DVDs and books and has been invited to many
countries to give seminars and courses. He gives online courses, including teacher training. Research includes left-to-right calculating, Astronomy, applications of Triples (including Trigonometry), extension of Tirthaji's 'Crowning Gem', Calculus.